DC Generators In case of dc machines, mechanical losses are primary function of None of the listed here Voltage Speed Current None of the listed here Voltage Speed Current ANSWER DOWNLOAD EXAMIANS APP
DC Generators The size of a dc generator can be reduced by using ______ Iron commutator High resistance winding material Magnetic material of high permeability Lap winding Iron commutator High resistance winding material Magnetic material of high permeability Lap winding ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a D.C. generator the ripples in the direct e.m.f. generated are reduced by Using equalizer rings Using carbon brushes of superior quality Using commutator with large number of segments Using conductor of annealed copper Using equalizer rings Using carbon brushes of superior quality Using commutator with large number of segments Using conductor of annealed copper ANSWER DOWNLOAD EXAMIANS APP
DC Generators The copper loss is constant for Shunt generator only None of the listed here Both shunt and compound generator Series generator only Shunt generator only None of the listed here Both shunt and compound generator Series generator only ANSWER DOWNLOAD EXAMIANS APP
DC Generators If the flux per pole of dc generator is halved but its speed is doubled, its generated emf will Be halved Be doubled Remain the same Be quadrupled Be halved Be doubled Remain the same Be quadrupled ANSWER DOWNLOAD EXAMIANS APP
DC Generators A 4-pole dc machine has _____ magnetic circuits. 4 8 6 2 4 8 6 2 ANSWER DOWNLOAD EXAMIANS APP
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